Synthesis of magnetic ZnO/ZnFe2O4 by a microwave combustion method, and its high rate of adsorption of methylene blue

被引：65
|
作者：
Feng, Jing [1 ]
Wang, Yuting [1 ]
Zou, Linyi [1 ]
Li, Bowen [1 ]
He, Xiaofeng [1 ]
Ren, Yueming [1 ]
Lv, Yanzhuo [1 ]
Fan, Zhuangjun [1 ]
机构：
[1] Harbin Engn Univ, Minist Educ, Key Lab Superlight Mat & Surface Technol, Harbin 150001, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2015年 / 438卷
基金：
黑龙江省自然科学基金; 中国国家自然科学基金;
关键词：
Magnetic properties; Adsorption; ZnO; ZnFe2O4; Methylene blue; REMOVAL; NANOPARTICLES; DYE; RED; NANOSTRUCTURES; EQUILIBRIUM; NANOSPHERES; COMPOSITE;
D O I：
10.1016/j.jcis.2014.10.009
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The magnetic ZnO/ZnFe2O4 particles have been synthesized by a microwave combustion method using NaAc as fuel. The as-obtained ZnO/ZnFe2O4 was characterized and applied for the removal of methylene blue (MB) from aqueous solution in the batch system. The ZnO/ZnFe2O4 particles display larger S-BET and smaller size with increase of NaAc dosage. Because a certain amount of gas is generated during NaAc decomposing and the gas prevent the particles from growing larger. More interestingly, even at neutral pH value, the ZnO/ZnFe2O4 obtained with 24 mL NaAc shows high-rate adsorption properties with the MB removal efficiency up to 90% in 0.5 mm and a maximum adsorption capacity of 37.27 mg/g. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：318 / 322
页数：5
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